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Microchip Technology MCP7940N-I/MS Microcontrollers

IC RTC CLK/CALENDAR I2C 8MSOP

900 ActiveMicrochip TechnologyMCP7940N8-TSSOP$4.67
MCP7940N-I/MS 8-TSSOP package illustration

Same model may have multiple batches, images only for reference.

MCP7940N-I/MS
Part Number (MPN)
MCP7940N-I/MS
Base Model
Detailed Description
IC RTC CLK/CALENDAR I2C 8MSOP
Package
8-TSSOP
Lifecycle Status
Active
Datasheet
PDF MCP7940N-I/MS Datasheet
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Ordering Code Family

MCP7940N groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

5 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology MCP7940N-I/MS Microcontrollers technical specifications.

General

RoHS
Yes
Mounting Type
SMD/SMT
Supply Voltage
1.8 V ~ 5.5 V
Rtc Bus Interface
Serial, 2-Wire, I2C
Date Format
YY-MM-DD-dd
Time Format
HH:MM:SS (12 hr, 24 hr)
Rtc Memory Size
64 B
Battery Backup Switching
Backup Switching
Minimum Operating Temperature C
- 40
Maximum Operating Temperature C
+ 85

Related Parts Comparison (MCP7940N-I/MS vs MCP7940N-I/P vs MCP7940N-E/MS vs MCP7940N-I/ST)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Mounting TypeSMD/SMTThrough HoleSurface MountSurface Mount
Supply Voltage1.8 V ~ 5.5 V1.8V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
RoHSYesYesYesYes
Date FormatYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-ddYY-MM-DD-dd
Package8-TSSOPPDIP-88-TSSOPTSSOP-8
Time FormatHH:MM:SS (12 hr, 24 hr)HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)HH:MM:SS (12/24 hr)
Battery Backup SwitchingBackup SwitchingBackup Switching--Backup Switching
FunctionAlarm, Calendar, ClockAlarm, Calendar, Clock--Alarm, Calendar, Clock
Rtc Bus InterfaceSerial, 2-Wire, I2CSerial, 2-Wire, I2C--Serial, 2-Wire, I2C
Rtc Memory Size64 B64 B--64 B
Unit Weight0.004938 oz0.032805 oz--0.005573 oz
Package / Case--8-DIP8-TSSOP8-TSSOP
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